Guidelines for Authors This periodical is a publication of the Academic Publishing and Translation Directorate of Al-Qassim University. Its purpose is to provide an opportunity for scholars to publish their original research. Manuscripts will be published in on of the following platforms: 1) Article: It should be original and has a significant contribution to the field the field in which the research was conducted. 2) Review Article: A critical synthesis of the current literature in a particular field, or a synthesis of the literature in a particular field during an explicit period of time. 3) Brief Article: A short article (note) having the same characteristics as an article. 4) Forum: Letters to the Editor, comments and responses, preliminary results or findings, and miscellany. 5) Book Reviews The Editorial Board will consider manuscripts from all fields of knowledge. A manuscript may be submitted in either Arabic or English, and, if accepted for publication, it may not be published elsewhere without the written permission of the Editor-in-Chief. General Instructions 1. Submission of manuscripts for publication: Papers must be presented in final page format, along with a compact disk (CD) containing the contribution executed on a PC using MS Word or any updated version of it. Pages are to be numbered consecutively and are to include all illustrative material, such as tables and figures, in their appropriate places in the text. If the author does not follow these guidelines, the paper is likely to be rejected or delayed. 2. Abstracts: Manuscripts for articles, review articles, and brief articles require both Arabic and English abstracts, using not more than 200 words, in single column (12 cm wide), for each version. 3. Keywords: Each article must (may) have keywords before both abstracts (English and Arabic) and they should not exceed 10 words. 4. Tables and other illustrations: Tables, figures, charts, graphs and plates should be planned to fit the Journal’s page size (12 cm x 19 cm incl. running heads). Line drawings are to be presented on high quality tracing paper using black India ink. Copies are not permitted for use as originals. Line quality is required to be uniform, distinct, and in proportion to the illustration. Photographs may be submitted on glossy print paper, in either black and white, or color, or made by using Adobe Photoshop. Tables and other illustrative material must include headings or titles, and captions for figures. 5. Abbreviations: The names of periodicals should be abbreviated in accordance with The World List of Scientific Periodicals. e.g., et al., J. of Food Sci. For weights and measurements, and where appropriate, abbreviations rather than words are to be used, e.g., cm, mm, m, km, cc, ml, g, mg, kg, min, %, etc., Fig. Latin abbreviations such as: op. cit., loc. cit., ibid., are to be in italic (if they are used). 6. References: In general, reference citations in the text are to be in the standard (Author, Date) style. Under the “References” heading at the end of the manuscript all references are to be presented alphabetically by the author’s last name in the following fashion: a) Periodical citations in the text are to be in the standard (Author, Date) style. Periodical references are to be presented in the following form: author’s surname followed by a given name and/or initials (bold), the title of the article between quotation marks (“ “), title of the periodical (in italic), volume number, issue number between brackets (if available), year of publication between brackets and pages. Example: Hicks, Granville. “Literary Horizons: Gestations of a Brain Child.” Saturday Review, Vol. 45, No. (6), (1982), 2-23. b) Book citations in the text are to be in the standard (Author, Date) style. Book references are to include the following: author’s surname followed by a given name and/or initials (bold), title of the book (in italic), city of publication, publisher, year of publication between brackets and the number of pages (if available). Example: Daiches, David. Critical Approaches to Literature. Englewood Cliffs, New Jersey: Prentice-Hall, Inc., (1983), 350 p. 7. Content Note or Footnote: A content note or footnote is a note from the author to the reader providing clarifying information. A content note is indicated in the text by using a half-space superscript number (e.g. … books3 are …). Content notes are to be sequentially numbered throughout the text. A reference may be cited in a content note by the use of the standard (Author, Date) style in the same way they are used in the text. Content notes are to be presented below a solid half-line separating them from the text of the page in which the footnote is mentioned (in single column). Use the same half-space superscript number assigned in the content note(s) in the text to precede the content note itself. 8. Proofs: No changes, additions or deletions will be allowed in the pageproof stage. 9. Opinions: Manuscripts submitted to the Journal for publication contain the author’s conclusions and opinions and, if published, do not constitute a conclusion or opinion of the Editorial Board. 10. Offprints: Twenty offprints are supplied free of charge to the author. 11. Correspondence: All correspondence may be addressed to: Division Editor The Journal of Agricultural and Veterinary Sciences College of Agriculture & Veterinary Medicine P.O. Box 6622, Buraydah 51452 E-mail: [email protected] Kingdom of Saudi Arabia 12. Frequency: 2 per year 13. Subscription and Exchange: E-mail: [email protected] In the Name of ALLAH, Most Gracious, Most Merciful Journal of Agricultural and Veterinary Sciences Qassim University, Vol. 8, No. 2, pp. 83-81 (January 2015/Rabi I 1436H) Volume (8) – NO.(2) July 2015 – Ramadan I 1436H Scientific Publications & translation EDITORIAL BOARD Editor-in-Chief: Prof. Hassan M. Mousa Editorial Board: Prof. Ibrahim Al-Homidan Prof. Ahmed Mustafa Hussein Ali Prof. Ihab Salah Ashoush Dr. Anber M. A. Hassanein Advisory Board: Prof. Abdelrahman AL-Wasel, Saudi Arabia Prof. Abdulrahman I. Al-Humaid, Saudi Arabia Dr. Saleh Altuwaijri, Saudi Arabia Dr. Khaled Bani J. Alharbi, Saudi Arabia Prof. Imadeldin Elamin Aradaib, Sudan Prof. Ronald D. Randel, USA Dr. Elisabeth Chevreau, France Dr. Noëlle Dorion, France Prof. Jean Boyazoglu, Greece Prof. Hassan A. Melouk, USA Prof. Steven D. Lukefahr, USA Prof. William E. Artz, USA Prof. Mohamed M. Youssef, Egypt Prof. Khaled Abdullah Al-Sobayil, Saudi Arabia Deposit No.: 1429/2022 Journal of Agricultural and Veterinary Sciences Qassim University, Vol. 8, No. 2, pp. 83-81 (January 2015/Rabi I 1436H) Contents Page Veterinary Medicine Histochemical Analysis of Glycoconjugates in the Lacrimal Gland of the Camel (Camelusdromedarius) Zarroug H. Ibrahim and Ali B. Abdalla ................................................................................................ 85 Animal production Chitinolytic enzymes, classification and applications: an Overview Mehana E.E. Zeitoun M.M. and Mohammed A.Alnassar ........................................................... 97 Food Science and Human Nutrition Quality characteristics and rheological properties of Barhi date (Phoenix dactylifera L.) jams with addition of carrot and pumpkin purees Mohamed G. E. Gadallah, Ahmed A. Al-Hassan and El-Sayed A. Abd El-Hady ................... 113 Thermal Behaviour of Selected Pig Meat - Biopolymer Mixtures for Halal Purposes, A review M. Abd Elgadir, Mohamed E. S. Mirghani and Mousa H. M. .................................................. 127 Implementation of Hazard Analysis Critical Control Points System (HACCPs) during Extraction Olive Oil by Hydraulic Press Method El-Kalyoubi, M. H., M.M. Abd El-Razik , Abou-Zaid, F.O. and Walaa, M. El-Sayed ............ 143 Immunomodulatory and antioxidant activity of pomegranate juice incorporated with spirulina and echinacea extracts sweetened by stevioside Soha H. Mahmud; Mahmud R.M.; I.S. Ashoush and M.Y. Attia ............................................. 161 V Plant production and protection A checklist to the family Chenopodiaceae in Qassim Region, Saudi Arabia Wail E. Abdalla, Gamal E.B. El Ghazali and Abdul Rahman A. Al-Soqeer ............................ 177 Effect of mother bulb size and planting space on Seed production of Onion (Allium cepa L.) Cultivar Giza 6 Mohassan El-Damarany, A.M., El-Shaikh, K.A.A., Obiadalla-Ali, H.A., and Abdel-Kader, M.M .......... 187 Comparison of Plant Propagation Efficiency Under Hydroponic/Soilless Culture and Traditional/Soil Culture Systems . Anber M. A. Hassanein ................................................................................................................ 201 Journal of Agricultural and Veterinary Sciences Qassim University, Vol. 8, No. 2, pp. 83-81 (January 2015/Rabi I 1436H) Veterinary Medicine Journal of Agricultural and Veterinary Sciences Qassim University, Vol. 8, No. 2, pp. 85-94 (July 2015/Ramadan 1436H) Histochemical Analysis of Glycoconjugates in the Lacrimal Gland of the Camel (Camelusdromedarius) Zarroug H. Ibrahim1* and Ali B. Abdalla2 1College of Veterinary Medicine, Sudan University of Science and Technology, Khartoum, Sudan. 2Department of Anatomy, Faculty of Veterinary Medicine, University of Khartoum, Sudan. Current address : College of Agriculture and Veterinary Medicine, Qassim University, KSA. *Corresponding Author: Email: [email protected] ( Received 2 /2/2015; accepted 7/5/2015) Abstract. The mammalian lacrimal gland secretes an aqueous solution in which different chemical substances are